How much does GPT-4o mini cost per million tokens?

GPT-4o mini is priced at $0.15 / 1M tokens for input tokens and $0.60 / 1M tokens for output tokens via the official OpenAI API at the time of writing.

What is GPT-4o mini's context window?

GPT-4o mini supports a context window of 128K tokens.

Is GPT-4o mini open source?

No. GPT-4o mini is a closed-weight model, you can use it via OpenAI's API but the model weights are not publicly downloadable.

When was GPT-4o mini released?

GPT-4o mini was released on Jul 18, 2024 by OpenAI.

How much does GPT-4o mini cost per million tokens?

GPT-4o mini is priced at $0.15 / 1M tokens for input tokens and $0.60 / 1M tokens for output tokens via the official OpenAI API at the time of writing.

What is GPT-4o mini's context window?

GPT-4o mini supports a context window of 128K tokens.

Is GPT-4o mini open source?

No. GPT-4o mini is a closed-weight model, you can use it via OpenAI's API but the model weights are not publicly downloadable.

When was GPT-4o mini released?

GPT-4o mini was released on Jul 18, 2024 by OpenAI.

ProprietaryOpenAIsmalltextvision

GPT-4o mini

GPT-4o's small sibling, defined the cheap-mid-tier slot for most of 2024-2025.

UpdatedApr 30, 2026

Quick facts

Released: Jul 2024
Context: 128K tokens
Output / 1M: $0.60 / 1M tokens
License: Proprietary

About GPT-4o mini

GPT-4o mini was OpenAI's mid-2024 cheap workhorse, ubiquitous in production routing layers, RAG pipelines, and customer-support stacks. Still common but mostly displaced by GPT-5 mini for new builds.

Benchmarks

Published scores from OpenAI's model card or independent leaderboards. We do not publish numbers we cannot source, see methodology.

HumanEval

Python coding pass@1

MMLU

82.0

Broad academic knowledge

GPQA

Graduate-level reasoning

SWE-bench

Real software-engineering tasks

MMLU82.0

Capabilities

Strengths

Cheap
Fast
Mature

Tracked weaknesses

Superseded by GPT-5 mini

Pricing

Per-million-token rates as published by OpenAI.

Tier	Price	Notes
Input	$0.15 / 1M tokens	Tokens you send to the model
Output	$0.60 / 1M tokens	Tokens the model generates
Context	128K tokens	Max combined input + output

Call GPT-4o mini from your code

Drop-in snippet for the OpenAI SDK. Set your API key in the environment and run.

typescript

import OpenAI from "openai";

const client = new OpenAI({
  // Use OPENAI_API_KEY for OpenAI, or your provider's key + baseURL.
  apiKey: process.env.OPENAI_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "gpt-4o-mini",
  messages: [
    { role: "user", content: "What's the time complexity of quicksort?" },
  ],
});

console.log(completion.choices[0].message.content);

Compare GPT-4o mini with…

Frequently asked

How much does GPT-4o mini cost per million tokens?
GPT-4o mini is priced at $0.15 / 1M tokens for input tokens and $0.60 / 1M tokens for output tokens via the official OpenAI API at the time of writing.
What is GPT-4o mini's context window?
GPT-4o mini supports a context window of 128K tokens.
Is GPT-4o mini open source?
No. GPT-4o mini is a closed-weight model, you can use it via OpenAI's API but the model weights are not publicly downloadable.
When was GPT-4o mini released?
GPT-4o mini was released on Jul 18, 2024 by OpenAI.

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